<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        .boxes{
            width: 100vw;
            height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .imgbox{
            width: 50%;
            height: 80%;
            background-image: url("./static/img/404.png");
            background-repeat: no-repeat;
            background-size: 100% auto;
            background-position: center;
        }
    </style>
</head>
<body>
<div class="boxes">
  <div class="imgbox"></div>


</div>


</body>
</html>